protected void ASPxGridView1_CustomCallback1(object sender, ASPxGridViewCustomCallbackEventArgs e)
{
try
{
switch (e.Parameters)
{
case "ExpandAll":
ASPxGridView1.ExpandAll();
break;
case "CollapseAll":
ASPxGridView1.CollapseAll();
break;
default:
var parameters = e.Parameters.Split(';');
var index = int.Parse(parameters[0]);
var isGroupRowSelected = bool.Parse(parameters[1]);
for (int i = 0; i < ASPxGridView1.GetChildRowCount(index); i++)
{
var row = ASPxGridView1.GetChildDataRow(index, i);
ASPxGridView1.Selection.SetSelectionByKey(row["INVENTORY"], isGroupRowSelected);
}
break;
}
}
catch (Exception ex)
{
ScriptManager.RegisterStartupScript(this, GetType(), "ErrorText", "CallError('Error: " + ex.Message + "');", true);
}
}
protected bool GetChecked(int visibleIndex)
{
try
{
for (var i = 0; i < ASPxGridView1.GetChildRowCount(visibleIndex); i++)
{
var isRowSelected = ASPxGridView1.Selection.IsRowSelectedByKey(ASPxGridView1.GetChildDataRow(visibleIndex, i)["INVENTORY"]);
if (!isRowSelected)
{
return(false);
}
}
return(true);
}
catch (Exception ex)
{
ScriptManager.RegisterStartupScript(this, GetType(), "ErrorText", "CallError('Error: " + ex.Message + "');", true);
return(true);
}
}
protected void cb_Load(object sender, EventArgs e)
{
ASPxCheckBox checkBox = sender as ASPxCheckBox;
GridViewGroupRowTemplateContainer container = checkBox.NamingContainer as GridViewGroupRowTemplateContainer;
if (ASPxGridView1.Selection.Count != 0)
{
int rowInGroupCount = ASPxGridView1.GetChildRowCount(container.VisibleIndex);
int countToCompare = 0;
for (int j = 0; j < rowInGroupCount; j++)
{
DataRow row = ASPxGridView1.GetChildDataRow(container.VisibleIndex, j);
var key = row["ProductID"];
if (ASPxGridView1.Selection.IsRowSelectedByKey(key))
{
countToCompare++;
}
}
if (rowInGroupCount == countToCompare)
{
checkBox.CheckState = CheckState.Checked;
}
else if (rowInGroupCount > countToCompare && countToCompare != 0)
{
checkBox.CheckState = CheckState.Indeterminate;
}
else if (countToCompare == 0)
{
checkBox.CheckState = CheckState.Unchecked;
}
}
else
{
checkBox.CheckState = CheckState.Unchecked;
}
}
protected void ASPxGridView1_CustomCallback(object sender, ASPxGridViewCustomCallbackEventArgs e)
{
string[] parameters = e.Parameters.Split(';');
int index = int.Parse(parameters[0]);
bool isGroupRowSelected = false;
CheckState currentState = (CheckState)Enum.Parse(typeof(CheckState), parameters[1]);
switch (currentState)
{
case CheckState.Indeterminate:
case CheckState.Checked:
isGroupRowSelected = true;
break;
case CheckState.Unchecked:
isGroupRowSelected = false;
break;
}
for (int i = 0; i < ASPxGridView1.GetChildRowCount(index); i++)
{
DataRow row = ASPxGridView1.GetChildDataRow(index, i);
ASPxGridView1.Selection.SetSelectionByKey(row["ProductID"], isGroupRowSelected);
}
}
